A friend and colleague of mine handed me a LilyGo T5 a couple of months back (We sometimes trade electronics “overstock” resulting from getting over-excited during late night shopping sprees on AliExpress). I stuffed the T5 into my bag and mostly forgot about it until a few days ago. The device is marketed as a digital price tag, but since it has a capable onboard microcontroller (ESP32), SD card support, an E ink display along with WiFi and Bluetooth capabilities, you can use it for so much more.
“The Automaton” is my take on how to do a low budget robot controller. Tech specs 6 - 45V input voltage range. Support for up to 32 servos with a maximum total current draw of 6A at 5V. 24Hz to 1526Hz PWM controller with 12 bit resolution. 240MHz MCU with WiFi and Bluetooth. 9DOF sensor fusion IMU that outputs absolute orientation angle at 100Hz. FTDI programming header. Expansion header with 14 available GPIO pins.
During a family trip to Japan last easter, I was fortunate enough to have a couple of hours to myself in the tech mecca of Tokyo, namely the Akihabara district. My two hour “geek pilgrimage” involved plans for visiting four of the more iconic shops in Akihabara. These were Mak Japan, G-Front, Tsukomo Robot Kingdom and Vstone Robot Center. After having spent quite some time looking at maps and web sites, I was finally able to locate the entrance of the MAK Japan shop.
Inspired by the last local robot tournamet at Omega, the Norwegian initiative Lær Kidsa Koding and a few discussions at my local hackerspace (Hackhem) I decided to revisit the BBC Micro:bit platform to see if it would be suitable as a mini sumo controller. The idea was that it would be really cool to attempt a design of an entry level mini sumo platform, that used commonly available parts, didn’t cost an arm and a leg, was easy to build and easy to program.
After having wanted to get into kit making for some time, I finaly decided to give it a go. This year, I had a few Nixie clocks on display at Trondheim Maker Faire, and later also at Oslo Skaperfestival. The clocks generated enough interest to justify a limited run of kits. I am now offering a Nixie Clock kit in two versions. A “Full kit” version that contains all necessary parts for the clock.